4,4′-Azoxydiphenol

Name: 4,4′-Azoxydiphenol
Brand: Zemixal
SKU: ZX-031817

Reference StandardAvailable on request

Order 4,4′-Azoxydiphenol (CAS 15596-57-3) online at Zemixal: C12H10N2O3, COA and SDS with every lot, worldwide shipping.

Pack sizes

CAS number15596-57-3

FormulaC₁₂H₁₀N₂O₃

Molar mass230.22 g/mol

Physical formSolid

HS code38229090

InChIKeyVCVDNSCCCADAHZ-UHFFFAOYSA-N

IUPAC name(4-hydroxyphenyl)-(4-hydroxyphenyl)imino-oxidoazanium

About 4,4′-Azoxydiphenol

Analytical teams working on Phenacetin use 4,4′-Azoxydiphenol as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 15596-57-3, formula C12H10N2O3 and molar mass 230.22 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Danger (H302 and H318), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Phenacetin

See every impurity, metabolite and related compound we list for this API.

Phenacetin standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 4,4′-Azoxydiphenol
Product name	4,4′-Azoxydiphenol
Catalogue number	ZX-031817
CAS number	15596-57-3
IUPAC name	(4-hydroxyphenyl)-(4-hydroxyphenyl)imino-oxidoazanium
Molecular formula	C₁₂H₁₀N₂O₃
Molar mass	230.22 g/mol
Exact mass	230.0691
Grade	Reference Standard
Physical form	Solid
XLogP3	2.4
H-bond donors / acceptors	2 / 4
Topological polar surface area	81.6 Å²
HS code	38229090
InChIKey	VCVDNSCCCADAHZ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N=[N+](C2=CC=C(C=C2)O)[O-])O
PubChem CID	135404235
Synonyms	4,4'-dihydroxyazoxybenzene, Phenol, 4,4'-(1-oxido-1,2-diazenediyl)bis-, 4-[2-hydroxy-2-(4-hydroxyphenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one, 1,2-Bis(4-hydroxyphenyl)diazene 1-oxide, (Z)-1,2-bis(4-hydroxyphenyl)diazene oxide, 4-[hydroxy-(4-hydroxyphenyl)hydrazono]cyclohexa-2,5-dien-1-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Corrosive

Irritant or harmful

Signal word Danger

H302Harmful if swallowed
H318Causes serious eye damage

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P305 + P354 + P338, P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 4,4′-Azoxydiphenol
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 4,4′-Azoxydiphenol

Which CAS number identifies 4,4′-Azoxydiphenol?

4,4′-Azoxydiphenol is registered under CAS 15596-57-3. You may also see it listed as 4,4'-dihydroxyazoxybenzene, Phenol, 4,4'-(1-oxido-1,2-diazenediyl)bis-, 4-[2-hydroxy-2-(4-hydroxyphenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one. Our catalogue number for this item is ZX-031817.

What are the formula and molar mass of 4,4′-Azoxydiphenol?

For 4,4′-Azoxydiphenol, its formula is C12H10N2O3 and its molar mass is 230.22 g/mol. The systematic (IUPAC) name is (4-hydroxyphenyl)-(4-hydroxyphenyl)imino-oxidoazanium. InChIKey VCVDNSCCCADAHZ-UHFFFAOYSA-N lets you match it in any structure database.

How is 4,4′-Azoxydiphenol used in pharmaceutical QC?

4,4′-Azoxydiphenol is a characterised reference material linked to Phenacetin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 4,4′-Azoxydiphenol?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 4,4′-Azoxydiphenol?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 4,4′-Azoxydiphenol to my country?

Yes. Because 4,4′-Azoxydiphenol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Phenacetin standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list